CHAPTER 3 LCD CONTROLLER/DRIVER
User’s Manual U18438EJ2V0UD
32
Figure 3-11. Voltages and Phases of Common and Segment Signals
(a) Static display mode
Select
Deselect
Common signal
Segment signal
V
LC0
LV
SS
V
LCD
V
LC0
LV
SS
V
LCD
T
T
T: One LCD clock period
(b) 1/2 bias method
Select
Deselect
Common signal
Segment signal
V
LC0
LV
SS
V
LCD
V
LC0
LV
SS
V
LCD
T
T
V
LC2
V
LC2
T: One LCD clock period
(c) 1/3 bias method
Select
Deselect
Common signal
Segment signal
V
LC0
LV
SS
V
LCD
V
LC0
LV
SS
V
LCD
T
T
V
LC2
V
LC2
V
LC1
V
LC1
T: One LCD clock period